/*
  Count的容器组件
*/
import React, { Component } from 'react'
import {connect} from 'react-redux'
import {createIncrementAction, createDecrementAction, createIncrementAsyncAction} from '../../redux/count_action'


// UI组件
class Count extends Component {

	//加法
	increment = ()=>{
		const {value} = this.selectNumber
    this.props.increment(+value)
	}
	//减法
	decrement = ()=>{
		const {value} = this.selectNumber
    this.props.decrement(+value)
	}
	//奇数再加
	incrementIfOdd = ()=>{
		const {value} = this.selectNumber
    if(this.props.count % 2 !== 0){
      this.props.increment(+value)
    }
	}
	//异步加
	incrementAsync = ()=>{
		const {value} = this.selectNumber
    this.props.asyncIncrement(+value,1000)
	}

	render() {
    console.log(this.props)
		return (
			<div>
				<h1>当前求和为：{this.props.count}</h1>
				<select ref={c => this.selectNumber = c}>
					<option value="1">1</option>
					<option value="2">2</option>
					<option value="3">3</option>
				</select>&nbsp;
				<button onClick={this.increment}>+</button>&nbsp;
				<button onClick={this.decrement}>-</button>&nbsp;
				<button onClick={this.incrementIfOdd}>当前求和为奇数再加</button>&nbsp;
				<button onClick={this.incrementAsync}>异步加</button>&nbsp;
			</div>
		)
	}
}

// 创建并暴露Count的容器组件
export default connect(
  state => ({count:state}),
  {
    increment: createIncrementAction,
    decrement: createDecrementAction,
    asyncIncrement: createIncrementAsyncAction
  }
)(Count)